APA (7th ed.) Zitazioa
Whitten, J. L., & Bentley, L. D. (2001). Systems analysis and design methods (5th ed.). Tata McGraw-Hill.
Chicago Style (17th ed.) Zitazioa
Whitten, Jeffrey L., eta Lonnie D/Dittman Bentley. Systems Analysis and Design Methods. 5th ed. New Delhi: Tata McGraw-Hill, 2001.
MLA (9th ed.) Zitazioa
Whitten, Jeffrey L., eta Lonnie D/Dittman Bentley. Systems Analysis and Design Methods. 5th ed. Tata McGraw-Hill, 2001.
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